Mercurial > hg > octave-max

diff scripts/image/bone.m @ 14279:f205d0074687

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Update colormap files with faster code. * autumn.m, bone.m, cool.m, copper.m, flag.m, gmap40.m, gray.m, hot.m, hsv.m, jet.m, lines.m, ocean.m, pink.m, prism.m, rainbow.m, spring.m, summer.m, white.m, winter.m: Use indexing in place of kron or repmat for faster code.
author Rik <octave@nomad.inbox5.com>
date Sat, 28 Jan 2012 22:33:57 -0800
parents 11949c9795a0
children b9c02ee24de1
line wrap: on
line diff
--- a/scripts/image/bone.m
+++ b/scripts/image/bone.m
@@ -44,16 +44,18 @@
     map = [0, 0, 0];
   elseif (n > 1)
     x = linspace (0, 1, n)';
-
-    r = (x < 3/4) .* (7/8 * x) + (x >= 3/4) .* (11/8 * x - 3/8);
-    g = (x < 3/8) .* (7/8 * x)\
-      + (x >= 3/8 & x < 3/4) .* (29/24 * x - 1/8)\
+    r = (x < 3/4) .* (7/8 * x) ...
+      + (x >= 3/4) .* (11/8 * x - 3/8);
+    g = (x < 3/8) .* (7/8 * x) ...
+      + (x >= 3/8 & x < 3/4) .* (29/24 * x - 1/8) ...
       + (x >= 3/4) .* (7/8 * x + 1/8);
-    b = (x < 3/8) .* (29/24 * x) + (x >= 3/8) .* (7/8 * x + 1/8);
+    b = (x < 3/8) .* (29/24 * x) ...
+      + (x >= 3/8) .* (7/8 * x + 1/8);
     map = [r, g, b];
   else
     map = [];
   endif
+
 endfunction